At level 21, the Armory is overhauled. The entrance appears to have changed from a metal door to metal shutters. The crates containing ammunition and Barrage missiles, as well as the motor are removed. The front is reinforced with some pins, there are two vents and two hatches on the roof of the Armory, and the side that once housed ammunition gains caution designs on its edge. When the Armory is upgrading something, the hatches open to reveal what appears to be spinning gears, and a light is visible from the opening.. "The Headquarters is the nerve center of your base. Upgrading the HQ unlocks new base buildings and upgrades. If your HQ is destroyed, the attacking enemy wins the . Boom Beach Wiki is a FANDOM Games Community. View Mobile Site Capt. Marvel Hulk Thor .